TV presenter Holly Willoughby has caused controversy by suggesting babies can be raised on a vegan diet.

Her advice, which is published in her weaning manual, Truly Scumptious Baby, appears to go against NHS advice which suggests raising a baby as vegan should be very carefully considered.

In her new book, which discusses the best way to wean babies from six months old, Holly writes it is 'possible for a baby to get all the nutrients he needs' from a vegan diet, although she admits it will take good planning, reports Mirror Online .

A vegan diet contains only plants such as vegetables, grains, nuts and fruits and foods made from plants.

Official NHS guidelines says parents should "take care" if planning to turn their children vegan as the diet can be "bulky and high in fibre, this can mean that children get full up before they've taken in enough calories."

Holly also says parents should get advice from a dietitian but writes in the baby manual: "She says: 'Weaning a baby on a vegan diet does require a little more planning.